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Preparations and Uses of Sodium Carbonate

Filtrate A ...

Question

Filtrate $A$ contains:

A

N H_{4} C l

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B

N a_{2} C O_{3}

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C

N a H C O_{3}

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D

C a C O_{3}

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Solution

The correct option is C $N a H C O_{3}$
According to process, filter contains $N a H C O_{3}$ .

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Similar questions

Q. The chemical reactions involved in the ammonia soda process are represented as follows:

2 N a C l + C a C O_{3} \to N a_{2} C O_{3} + C a C l_{2}

In the following reactions,

C a C O_{3} Δ - \to [A] + [B]

N a C l + N H_{3} + [B] + H_{2} O \to [C] + [D]

2 [C] \to N a_{2} C O_{3} + H_{2} O + [B]

Identify A to D:

Q. Which of the following compounds is consumed during the preparation of

N a_{2} C O_{3}

by Solvay's process?

Q. A sample contains a mixture of

N a H C O_{3}

N a_{2} C O_{3}

H C l

15.0

g of the sample yielding

11.0

N a C l

. What percent of the sample is

N a_{2} C O_{3}

?
Reactions are:

N a_{2} C O_{3} + 2 H C l \to 2 N a C l + C O_{2} + H_{2} O

N a H C O_{3} + H C l \to N a C l + C O_{2} + H_{2} O

Molecular weight of

N a C l

N a H C O_{3}

N a_{2} C O_{3}

58.5

84

106

g/mol respectively.

Q. What weight of

C a C O_{3}

must be decomposed to produce the sufficient quantity of carbon dioxide to convert 21.2 kg of

N a_{2} C O_{3}

completely into

N a H C O_{3}

N a = 23

C a = 40

]

C a C O_{3} \to C a O + C O_{2}

N a_{2} C O_{3} + C O_{2} + H_{2} O \to 2 N a H C O_{3}

Q. A 2.00 g. of sample containing

N a_{2} C O_{3}

N a H C O_{3}

loses 0.248 g when heated to

300^{o} C

, the temperature at which

N a H C O_{3}

decomposes .Find % composition of

N a_{2} C O_{3}

in the mixture ?

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